/* ================================================================
   OCI NSG IP Updater — Stylesheet
   ================================================================ */

/* --- Reset & Base --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-start: #0f0c29;
    --bg-mid: #302b63;
    --bg-end: #24243e;

    --card-bg: rgba(255, 255, 255, 0.06);
    --card-border: rgba(255, 255, 255, 0.12);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);

    --text-primary: #f0f0f5;
    --text-secondary: #a0a0b8;
    --text-muted: #6e6e85;

    --accent: #7c5cfc;
    --accent-hover: #9b82ff;
    --accent-glow: rgba(124, 92, 252, 0.35);
    --accent-gradient-end: #c084fc;

    --btn-secondary-bg: rgba(124, 92, 252, 0.1);
    --btn-secondary-border: rgba(124, 92, 252, 0.3);

    --success: #2ecc71;
    --success-bg: rgba(46, 204, 113, 0.12);
    --success-border: rgba(46, 204, 113, 0.4);

    --error: #e74c3c;
    --error-bg: rgba(231, 76, 60, 0.12);
    --error-border: rgba(231, 76, 60, 0.4);

    --radius: 16px;
    --radius-sm: 10px;
    --transition: 0.25s ease;
}

/* --- OCI Console Theme --- */
[data-theme="oci"] {
    --bg-start: #1a1a2e;
    --bg-mid: #16213e;
    --bg-end: #0f3460;

    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.10);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);

    --text-primary: #e8e8ef;
    --text-secondary: #9ca3b0;
    --text-muted: #6b7280;

    --accent: #c74634;
    --accent-hover: #e05240;
    --accent-glow: rgba(199, 70, 52, 0.35);
    --accent-gradient-end: #f07563;

    --btn-secondary-bg: rgba(199, 70, 52, 0.1);
    --btn-secondary-border: rgba(199, 70, 52, 0.3);
}

html {
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, var(--bg-start), var(--bg-mid), var(--bg-end));
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
    -webkit-font-smoothing: antialiased;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: 520px;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

/* --- Header --- */
.header {
    text-align: center;
    padding: 1.5rem 0 0.5rem;
}

.header-icon {
    font-size: 2.8rem;
    margin-bottom: 0.4rem;
    filter: drop-shadow(0 0 12px var(--accent-glow));
}

.header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, var(--accent), var(--accent-gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-top: 0.25rem;
}

/* --- Cards --- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--card-shadow);
    transition: border var(--transition);
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.card h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Card header row */
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-header h2 {
    margin-bottom: 0;
}

/* --- Info Grid --- */
.info-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.85rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
}

.info-label {
    font-size: 0.82rem;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.info-value {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: right;
    word-break: break-all;
}

/* --- Form --- */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.input-row {
    display: flex;
    gap: 0.5rem;
}

.input-row input {
    flex: 1;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 0.7rem 0.9rem;
    font-family: inherit;
    font-size: 0.92rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border var(--transition), box-shadow var(--transition);
}

input[type="text"]:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

textarea {
    resize: vertical;
    min-height: 72px;
}

/* --- Buttons --- */
.btn-primary {
    width: 100%;
    padding: 0.85rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--accent-gradient-end));
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
    box-shadow: 0 4px 18px var(--accent-glow);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-secondary {
    flex-shrink: 0;
    padding: 0.55rem 0.85rem;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--btn-secondary-bg);
    border: 1px solid var(--btn-secondary-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), border var(--transition);
    white-space: nowrap;
}

.btn-secondary:hover {
    background: var(--btn-secondary-border);
    border-color: var(--accent);
}

.btn-icon {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    color: var(--text-primary);
    font-size: 1.15rem;
}

.btn-icon:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.12);
    transform: rotate(90deg);
}

.btn-icon:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* --- Feedback --- */
.feedback {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    line-height: 1.45;
    animation: slideIn 0.35s ease forwards;
}

.feedback.hidden {
    display: none;
}

.feedback-success {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success);
    box-shadow: 0 4px 16px rgba(46, 204, 113, 0.15);
}

.feedback-error {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error);
    box-shadow: 0 4px 16px rgba(231, 76, 60, 0.15);
}

.feedback-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    margin-left: 0.75rem;
    opacity: 0.7;
    transition: opacity var(--transition);
}

.feedback-close:hover {
    opacity: 1;
}

/* --- Animations --- */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-in {
    animation: slideIn 0.35s ease forwards;
}

/* --- Footer --- */
.footer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding: 1rem 0;
}

/* --- Theme Toggle --- */
.theme-toggle-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.3rem 0;
}

.theme-toggle-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    transition: color var(--transition);
    user-select: none;
    cursor: pointer;
}

.theme-toggle-label.active {
    color: var(--accent);
}

.theme-toggle {
    position: relative;
    width: 48px;
    height: 26px;
}

.theme-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.theme-slider {
    position: absolute;
    inset: 0;
    background: var(--accent-glow);
    border: 1px solid var(--card-border);
    border-radius: 26px;
    cursor: pointer;
    transition: background var(--transition), border var(--transition);
}

.theme-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 2px;
    bottom: 2px;
    background: var(--text-primary);
    border-radius: 50%;
    transition: transform var(--transition), background var(--transition);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
}

input:checked+.theme-slider {
    background: var(--accent);
}

input:checked+.theme-slider::before {
    transform: translateX(22px);
}

/* --- Responsive --- */
@media (max-width: 480px) {
    body {
        padding: 1rem 0.5rem;
    }

    .card {
        padding: 1.15rem;
    }

    .input-row {
        flex-direction: column;
    }

    .info-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
    }

    .info-value {
        text-align: left;
    }
}